#!/usr/bin/perl
###################################################
# InspIRCd Configuration Script
# altered for UnrealIRCd
# altered for Sakura :b
# Copyright 2002-2007 The InspIRCd Development Team
#  http://www.inspircd.org/wiki/index.php/Credits
# Copyright 2007 The UnrealIRCd Team
# Copyright 2007 The Sakura Team
#
# Licensed under GPL, please see the COPYING file
# for more information
#
# $Id: configure 7399 2007-06-21 15:51:30Z peavey $
#
###################################################
BEGIN {
	eval {
		require 5.6.0;
	};
	if ($@) {
		# Perl version too old. Try to run with perl5. We have to watch it here: if we just blindly exec perl5, we could create an endless exec cycle.
		# To prevent this, we run this instead:
		my $perl5ver = qx'perl5 -e \'printf "%vd", $^V\';';
		if ($perl5var eq "") {
			print STDERR "Perl version is too old, and perl5 couldn't be found. This configure script requires perl 5.6.0 or newer.\n";
			exit 1;
		}
		if ($perl5ver lt v5.6.0) {
			print STDERR "Perl version is too old, and perl5 is also too old. This configure script requires perl 5.6.0 or newer.\n";
			exit 1;
		}
		# perl5 is ok, so exec it.
		exec "perl5", "--", "$0", @ARGV; # Just like exec(3), doesn't return if it works.
		die "Failed to start perl5: $!";
	}
}

use strict qw(vars subs);
use warnings qw(all);
use Socket;
use Cwd;
use Getopt::Long;
use File::Copy;
use File::Basename;
use POSIX ();

# Utility functions for our buildsystem
use make::utilities;
use make::configure;
use make::gnutlscert;
use make::opensslcert;

our ($opt_library_dir,
	$opt_base_dir,
	$opt_config_dir,
	$opt_module_dir,
	$opt_binary_dir,
	$opt_nointeractive,
	$opt_away,
	$opt_gecos,
	$opt_kick,
	$opt_maxclients,
	$opt_modes,
	$opt_topic,
	$opt_quit,
	$opt_ident,
	$opt_cc,
	$opt_ipv6,
	$opt_ipv6links,
	$opt_noipv6links,
	$opt_kqueue,
	$opt_epoll,
	$opt_ports,
	$opt_maxchans,
	$opt_opermaxchans,
	$opt_chan_length,
	$opt_nick_length,
	$opt_use_openssl,
	$opt_nokqueue,
	$opt_noepoll,
	$opt_noports,
	$opt_maxbuf,
	$opt_use_gnutls,
	$opt_rebuild,
	$opt_disable_debug,
	$opt_advanced);


GetOptions (
	'enable-gnutls' => \$opt_use_gnutls,
	'rebuild' => \$opt_rebuild,
	'enable-openssl' => \$opt_use_openssl,
	'disable-interactive' => \$opt_nointeractive,
	'with-nick-length=i' => \$opt_nick_length,
	'with-channel-length=i' => \$opt_chan_length,
	'with-max-clients=i' => \$opt_maxclients,
	'enable-ports' => \$opt_ports,
	'enable-epoll' => \$opt_epoll,
	'enable-kqueue' => \$opt_kqueue,
	'disable-ports' => \$opt_noports,
	'disable-epoll' => \$opt_noepoll,
	'disable-kqueue' => \$opt_nokqueue,
	'enable-ipv6' => \$opt_ipv6,
	'enable-remote-ipv6' => \$opt_ipv6links,
	'disable-remote-ipv6' => \$opt_noipv6links,
	'with-cc=s' => \$opt_cc,
	'with-ident-length=i' => \$opt_ident,
	'with-quit-length=i' => \$opt_quit,
	'with-topic-length=i' => \$opt_topic,
	'with-maxbuf=i' => \$opt_maxbuf,
	'with-kick-length=i' => \$opt_kick,
	'with-gecos-length=i' => \$opt_gecos,
	'with-away-length=i' => \$opt_away,
	'with-max-modes=i' => \$opt_modes,
	'prefix=s' => \$opt_base_dir,
	'config-dir=s' => \$opt_config_dir,
	'module-dir=s' => \$opt_module_dir,
	'binary-dir=s' => \$opt_binary_dir,
	'library-dir=s' => \$opt_library_dir,
	'disable-debuginfo' => sub { $opt_disable_debug = 1 },
	'help'	=> sub { showhelp(); },
	'modupdate' => sub { modupdate(); },
	'update' => sub { update(); },
	'svnupdate' => sub { svnupdate(); },
	'clean' => sub { clean(); },
	'advanced' => \$opt_advanced,
);

my $non_interactive = (
	(defined $opt_library_dir) ||
	(defined $opt_base_dir) ||
	(defined $opt_config_dir) ||
	(defined $opt_module_dir) ||
	(defined $opt_binary_dir) ||
	(defined $opt_nointeractive) ||
	(defined $opt_away) ||
	(defined $opt_gecos) ||
	(defined $opt_kick) ||
	(defined $opt_maxclients) ||
	(defined $opt_modes) ||
	(defined $opt_topic) ||
	(defined $opt_quit) ||
	(defined $opt_ident) ||
	(defined $opt_cc) ||
	(defined $opt_ipv6) ||
	(defined $opt_ipv6links) ||
	(defined $opt_noipv6links) ||
	(defined $opt_kqueue) ||
	(defined $opt_epoll) ||
	(defined $opt_ports) ||
	(defined $opt_maxchans) ||
	(defined $opt_opermaxchans) ||
	(defined $opt_chan_length) ||
	(defined $opt_nick_length) ||
	(defined $opt_use_openssl) ||
	(defined $opt_nokqueue) ||
	(defined $opt_noepoll) ||
	(defined $opt_noports) ||
	(defined $opt_maxbuf) ||
	(defined $opt_use_gnutls)
);
my $interactive = !$non_interactive;

our $topdir;
chomp($topdir = getcwd());
our $this = resolve_directory($topdir);						# PWD, Regardless.
our @modlist = ();							  		# Declare for Module List..
our %config = ();						   			# Initiate Configuration Hash..
$config{ME}		 = resolve_directory($topdir);				# Present Working Directory

$config{BASE_DIR}	   = $config{ME};

if (defined $opt_base_dir)
{
	$config{BASE_DIR} = $opt_base_dir;
}

$config{CONFIG_DIR}	 = resolve_directory($config{BASE_DIR}."/conf");	# Configuration Directory
$config{MODULE_DIR}	 = resolve_directory($config{BASE_DIR}."/modules");	# Modules Directory
$config{BINARY_DIR}	 = resolve_directory($config{BASE_DIR}."/bin");		# Binary Directory
$config{LIBRARY_DIR}	= resolve_directory($config{BASE_DIR}."/lib");		# Library Directory

if (defined $opt_config_dir)
{
	$config{CONFIG_DIR} = $opt_config_dir;
}
if (defined $opt_module_dir)
{
	$config{MODULE_DIR} = $opt_module_dir;
}
if (defined $opt_binary_dir)
{
	$config{BINARY_DIR} = $opt_binary_dir;
}
if (defined $opt_library_dir)
{
	$config{LIBRARY_DIR} = $opt_library_dir;
}
chomp($config{HAS_GNUTLS}   = `libgnutls-config --version 2>/dev/null | cut -c 1,2,3`); # GNUTLS Version.
chomp($config{HAS_OPENSSL}  = `pkg-config --modversion openssl 2>/dev/null`);		# Openssl version
our ($gnutls_ver, $openssl_ver);
chomp($gnutls_ver = $config{HAS_GNUTLS});
chomp($openssl_ver = $config{HAS_OPENSSL});
$config{USE_GNUTLS}	    = "n";
if (defined $opt_use_gnutls)
{
	$config{USE_GNUTLS} = "y";					# Use gnutls.
}
$config{USE_OPENSSL}	= "n";						# Use openssl.
if (defined $opt_use_openssl)
{
	$config{USE_OPENSSL} = "y";
}

# no, let's not change these.
$config{OPTIMITEMP}	 = "0";			      			# Default Optimisation Value
if (!defined $opt_disable_debug)
{
	$config{OPTIMISATI}	 = "-g1";			     	# Optimisation Flag
}
else
{
	$config{OPTIMISATI}	 = "-O2";				# DEBUGGING OFF!
}

$config{NICK_LENGT}	 = "31";			     		# Default Nick Length
if (defined $opt_nick_length)
{
	$config{NICK_LENGT} = $opt_nick_length;
}
$config{CHAN_LENGT}	 = "64";			     		# Default Channel Name Length
if (defined $opt_chan_length)
{
	$config{CHAN_LENGT} = $opt_chan_length;
}
$config{MAXI_MODES}	 = "20";			     		# Default Max. Number of Modes set at once.
if (defined $opt_modes)
{
	$config{MAXI_MODES} = $opt_modes;
}
$config{HAS_STRLCPY}	= "false";			  		# strlcpy Check.
$config{HAS_STDINT}	 = "false";					# stdint.h check
$config{USE_KQUEUE}	 = "y";						# kqueue enabled
if (defined $opt_kqueue)
{
	$config{USE_KQUEUE} = "y";
}
if (defined $opt_nokqueue)
{
	$config{USE_KQUEUE} = "n";
}
$config{USE_EPOLL}	  = "y";					# epoll enabled
if (defined $opt_epoll)
{
	$config{USE_EPOLL} = "y";
}
if (defined $opt_noepoll)
{
	$config{USE_EPOLL} = "n";
}
$config{USE_PORTS}	  = "y";					# epoll enabled
if (defined $opt_ports)
{
	$config{USE_PORTS} = "y";
}
if (defined $opt_noports)
{
	$config{USE_PORTS} = "n";
}
$config{IPV6}	       = "n";						# IPv6 support (experimental)
if (defined $opt_ipv6)
{
	$config{IPV6} = "y";
}
$config{SUPPORT_IP6LINKS}   = "y";					# IPv4 supporting IPv6 links (experimental)
if (defined $opt_ipv6links)
{
	$config{SUPPORT_IP6LINKS} = "y";
}
if (defined $opt_noipv6links)
{
	$config{SUPPORT_IP6LINKS} = "n";
}
$config{STATIC_LINK}	    = "no";					# are doing static modules?
chomp($config{MAX_CLIENT_T} = `sh -c \"ulimit -n\"`);	   		# FD Limit
chomp($config{MAX_DESCRIPTORS} = `sh -c \"ulimit -n\"`);		# Hard FD Limit
chomp($config{GCCVER}       = `g++ -dumpversion | cut -c 1`);   	# Major GCC Version
$config{_SOMAXCONN} = SOMAXCONN;					# Max connections in accept queue
$config{OSNAME}       	    = $^O;			      		# Operating System Name
$config{IS_DARWIN}          = "NO";					# Is OSX?
$config{STARTSCRIPT}          = "sakura";			# start script?
$config{DESTINATION}          = "BASE";				# Is target path.
$config{EXTRA_DIR}          = "";						# Is empty.
if ($config{OSNAME} =~ /darwin/i)
{
	$config{IS_DARWIN} = "YES";
	$config{STARTSCRIPT}          = "com.sakura.plist";		# start script for OSX.
	$config{DESTINATION}          = "LAUNCHDPATH";				# Is OSX target.
	$config{EXTRA_DIR}            = " launchd_dir";				# Is OSX specific path.
}
$config{CC} 		    = "g++";						# C++ compiler
if (defined $opt_cc)
{
	$config{CC} = $opt_cc;
}
{
	my $exec = $config{CC} . " -dumpversion | cut -c 1";
	chomp($config{GCCVER}		= `$exec`);				# Major GCC Version
}
$config{MAKEORDER}		= "ircd mods";				# build order
$config{STATICLIBS}		= "";					# library archive path
$config{MAX_IDENT}		= "12";					# max ident size
$config{MAX_QUIT}		= "255";				# max quit message size
$config{MAX_TOPIC}		= "307";				# max topic size
$config{MAX_KICK}		= "255";				# max kick message size
$config{MAX_GECOS}		= "128";				# max GECOS size
$config{MAX_AWAY}		= "200";				# max AWAY size
$config{MAXBUF}			= "512";				# Max buffer size
if (defined $opt_ident)
{
	$config{MAX_IDENT} = $opt_ident;
}
if (defined $opt_quit)
{
	$config{MAX_QUIT} = $opt_quit;
}
if (defined $opt_topic)
{
	$config{MAX_TOPIC} = $opt_topic;
}
if (defined $opt_kick)
{
	$config{MAX_KICK} = $opt_kick;
}
if (defined $opt_gecos)
{
	$config{MAX_GECOS} = $opt_gecos;
}
if (defined $opt_away)
{
	$config{MAX_AWAY} = $opt_away;
}

$config{HAS_OPENSSL} =~ /^([-[:digit:].]+)([a-z])?(\-[a-z][0-9])?$/;
$config{HAS_OPENSSL} = $1;

if ($config{GCCVER} eq "") {
	print $config{CC} . " was not found! We require g++ (the GNU C++ compiler, part of GCC) to build.!\n";
	exit;
}

our $fd_scan_fail;
if (!$config{MAX_CLIENT_T}) { 
	$config{MAX_CLIENT_T} = 1024;				 # Set a reasonable 'Default'
	$fd_scan_fail = "true";				       # Used Later
}

# Get and Set some important vars..
getmodules();

sub clean
{
	unlink '.config.cache' or print STDERR "Can't delete .config.cache: $!\n";
}

our ($has_epoll, $has_ports, $has_kqueue);

sub update
{
	eval {
		chomp($topdir = getcwd());
		$this = resolve_directory($topdir);					     # PWD, Regardless.
		getmodules();
		# Does the cache file exist?
		if (!getcache()) {
			# No, No it doesn't.. *BASH*
			print "You have not run ./configure before. Please do this before trying to run the update script.\n";
			exit 0;
		} else {
			# We've Loaded the cache file and all our variables..
			print "Updating Files..\n";
			getosflags();
			if (defined($opt_disable_debug) && $opt_disable_debug == 1)
			{
				print "Disabling debug information (-g).\n";
				$config{OPTIMISATI} = "";
				getosflags();
			}
			$has_epoll = $config{HAS_EPOLL};
			$has_ports = $config{HAS_PORTS};
			$has_kqueue = $config{HAS_KQUEUE};
			writefiles(1);
			makecache();
			print "Complete.\n";
			exit;
		}
	};
	if ($@)
	{
		print "Configure update failed: $@\n";
	}
	exit;
}

sub modupdate
{
	eval {
		chomp($topdir = getcwd());
		$this = resolve_directory($topdir);					     # PWD, Regardless.
		getmodules();
		# Does the cache file exist?
		if (!getcache()) {
			# No, No it doesn't.. *BASH*
			print "You have not run ./configure before. Please do this before trying to run the update script.\n";
			exit 0;
		} else {
			# We've Loaded the cache file and all our variables..
			print "Updating Files..\n";
			getosflags();
			$has_epoll = $config{HAS_EPOLL};
			$has_ports = $config{HAS_PORTS};
			$has_kqueue = $config{HAS_KQUEUE};
			writefiles(0);
			makecache();
			print "Complete.\n";
			exit;
		}
	};
	if ($@)
	{
		print "Module update failed: $@\n";
	}
	exit;
}



sub svnupdate
{
	my $fail = 0;
	open(FH,"<.svn/entries") or $fail = 1;
	if ($fail) {
		print "This is not an SVN copy of Sakura.\n";
		exit;
	}
	else
	{
		close(FH);
	}
	system("svn update");
	system("perl configure -update");
	if (defined $opt_rebuild) {
		system("make install");
	}
	exit;
}

print "Running non-interactive configure...\n" unless $interactive;
print "Checking for cache from previous configure... ";
print ((!getcache()) ? "not found\n" : "found\n");
print "Checking operating system version... ";
print getosflags() . "\n";

if (defined $opt_maxclients)
{
	$config{MAX_CLIENT} = $opt_maxclients;
}

if (!$config{MAX_CLIENT}) { 
	# If the cache hasn't set the max clients, copy the variable of MAX_CLIENT_T, this
	# allows us to keep _T for testing purposes. (ie. "Are you sure you want to go
	# higher than the found value" :))
	$config{MAX_CLIENT} = $config{MAX_CLIENT_T};
}



{
	printf "Checking if stdint.h exists... ";
	$config{HAS_STDINT} = "true";
	my $fail = 0;
	open(STDINT, "</usr/include/stdint.h") or $config{HAS_STDINT} = "false";
	if ($config{HAS_STDINT} eq "true") {
		close(STDINT);
	}
	print "yes\n" if $config{HAS_STDINT} eq "true";
	print "no\n" if $config{HAS_STDINT} eq "false";
}

{
	printf "Checking if strlcpy exists... ";
	# Perform the strlcpy() test..
	$config{HAS_STRLCPY} = "false";
	my $fail = 0;
	open(STRLCPY, "</usr/include/string.h") or $fail = 1;
	if (!$fail) {
		my $line;
		while (defined($line = <STRLCPY>)) {
			chomp($line);
			# try and find the delcaration of:
			# size_t strlcpy(...)
			if ($line =~ /size_t(\0x9|\s)+strlcpy/)	{
				$config{HAS_STRLCPY} = "true";
			}
		}
		close(STRLCPY);
	}
	print "yes\n" if $config{HAS_STRLCPY} eq "true";
	print "no\n" if $config{HAS_STRLCPY} eq "false";
}

{
	printf "Checking if kqueue exists... ";
	$has_kqueue = 0;
	my $fail = 0;
	open(KQUEUE, "</usr/include/sys/event.h") or $fail = 1;
	if (!$fail) {
		my $line;
		while (defined($line = <KQUEUE>)) {
			chomp($line);
			# try and find the delcaration of:
			# int kqueue(void);
			if ($line =~ /int(\0x9|\s)+kqueue/) {
				$has_kqueue = 1;
			}
		}
		close(KQUEUE);
	}
	print "yes\n" if $has_kqueue == 1;
	print "no\n" if $has_kqueue == 0;
}

{
	printf "Checking if epoll exists... ";
	$has_epoll = 0;
	my $fail = 0;
	open(EPOLL, "</usr/include/sys/epoll.h") or $fail = 1;
	if (!$fail) {
		$has_epoll = 1;
		close(EPOLL);
	}
	if ($has_epoll) {
		my $kernel = `uname -r`;
		chomp($kernel);
		if (($kernel =~ /^2\.0\./) || ($kernel =~ /^2\.2\./) || ($kernel =~ /^2\.4\./)) {
			$has_epoll = 0;
		}
		else
		{
			# Suggestion from nenolod, weed out odd systems which have glibc built
			# against 2.4 kernels (ick)
			my $kernel_arch = `uname -p`;
			chomp($kernel_arch);
			my $libcv = 0.0;
			my $kernelv = 0.0;
 			if ($kernel_arch =~ /x86_64/) {
	 			open (FH,"/lib64/libc.so.6|") or $has_epoll = 0;
	 		}
	 		else {
				open (FH,"/lib/libc.so.6|") or $has_epoll = 0;
			}

			open (FH,"/lib/libc.so.6|") or $has_epoll = 0;
			if ($has_epoll)
			{
				my $line;
				while (defined($line = <FH>))
				{
					chomp($line);
					if ($line =~ /GNU C Library .* version (.*?), /)
					{
						$libcv = $1;
						$libcv =~  /([0-9\.\-])+/;
						$libcv = $1;
					}
					elsif ($line =~ /Compiled on a Linux (.*?) system/)
					{
						$kernelv = $1;
						# Fix for some retarded libc builds, strip off >> and << etc.
						$kernelv =~ /([0-9\.\-])+/;
						$kernelv = $1;
					}
				}
				close FH;
				if ($libcv < "2.3")
				{
					$has_epoll = 0;
					printf "libc too old: $libcv... ";
				}
				if ($kernelv < "2.6")
				{
					$has_epoll = 0;
					printf "libc built against older kernel $kernelv... ";
				}
			}
		}
	}
	print "yes\n" if $has_epoll == 1;
	print "no\n" if $has_epoll == 0;
}

printf "Checking if Solaris I/O completion ports are available... ";
$has_ports = 0;
my $system = `uname -s`;
chomp ($system);
$has_ports = 1 if ($system eq "SunOS");

if ($has_ports) {
	my $kernel = `uname -r`;
	chomp($kernel);
	if (($kernel !~ /^5\.1./)) {
		$has_ports = 0;
	}
}
print "yes\n" if $has_ports == 1;
print "no\n" if $has_ports == 0;

$config{HAS_EPOLL} = $has_epoll;
$config{HAS_KQUEUE} = $has_kqueue; 

printf "Checking for libgnutls... ";
if (($config{HAS_GNUTLS}) && (($config{HAS_GNUTLS} >= 1.2) || ($config{HAS_GNUTLS} eq "y"))) {
	print "yes\n";
	$config{HAS_GNUTLS} = "y";
} else {
	print "no\n";
	$config{HAS_GNUTLS} = "n";
}

printf "Checking for openssl... ";
# This doesn't really do a proper check -we do that anyway in make/utilities.pm
if (($config{HAS_OPENSSL}) && (($config{HAS_OPENSSL} >= 0.8) || ($config{HAS_OPENSSL} eq "y"))) {
	print "yes\n";
	$config{HAS_OPENSSL} = "y";
} else {
	print "no\n";
	$config{HAS_OPENSSL} = "n";
}

################################################################################
#			  BEGIN INTERACTIVE PART			      #
################################################################################

# Clear the Screen..
if ($interactive)
{
#	system("clear");
	my $wholeos = $^O;

	my $rev = getrevision();
	# Display Introduction Message..
	{
		my $fd;
		open $fd, '<', '.sakura.logo' or die "Can't open logo: $!";
		print while <$fd>; # cat :)
		close $fd;
	}
	print << "STOP"
                                      version \033[1m2.0\033[0m
                                      using \033[1mInspIRCd\033[0m Technology

Welcome to the \033[1mSakura 2.0\033[0m Configuration program! (\033[1minteractive mode\033[0m)
\033[1mPackage maintainers: Type ./configure --help for non-interactive help\033[0m

*** If you are unsure of any of these values, leave it blank for    ***
*** standard settings that will work, and your server will run      ***
*** using them. Please consult your IRC network admin if in doubt.  ***

Press \033[1m<RETURN>\033[0m to accept the default for any option, or enter
a new value. Please note: You will \033[1mHAVE\033[0m to read the docs
dir, otherwise you won't have a config file!

Your operating system is: \033[1;32m$config{OSNAME}\033[0m ($wholeos)
Maximum file descriptors: \033[1;32m$config{MAX_CLIENT_T}\033[0m
Your Sakura revision ID is \033[1;32mr$rev\033[0m
STOP
	;
	if ($rev eq "r0") {
		print " (Non-SVN build)";
	}
	print ".\n\n";

	$config{CHANGE_COMPILER} = "n";
	print "I have detected the following compiler: \033[1;32m$config{CC}\033[0m (version \033[1;32m$config{GCCVER}.x\033[0m)\n";

	while (($config{GCCVER} < 3) || ($config{GCCVER} eq "")) {
		print "\033[1;32mIMPORTANT!\033[0m A GCC 2.x compiler has been detected, and
should NOT be used. You should probably specify a newer compiler.\n\n";
		yesno('CHANGE_COMPILER',"Do you want to change the compiler?");
		if ($config{CHANGE_COMPILER} =~ /y/i) {
			print "What command do you want to use to invoke your compiler?\n";
			print "[\033[1;32m$config{CC}\033[0m] -> ";
			chomp($config{CC} = <STDIN>);
			if ($config{CC} eq "") {
				$config{CC} = "g++";
			}
			my $foo;
			chomp($foo = `$config{CC} -dumpversion | cut -c 1`);
			if ($foo ne "") {
				chomp($config{GCCVER}       = `$config{CC} -dumpversion | cut -c 1`); # we must redo these if we change compilers
				print "Queried compiler: \033[1;32m$config{CC}\033[0m (version \033[1;32m$config{GCCVER}.x\033[0m)\n";
				if ($config{GCCVER} < 3) {
					print "\033[1;32mGCC 2.x WILL NOT WORK!\033[0m. Let's try that again, shall we?\n";
				}
			}
			else {
				print "\033[1;32mWARNING!\033[0m Could not execute the compiler you specified. You may want to try again.\n";
			}
		}
	}

	print "\n";

	# Directory Settings..
	my $tmpbase = $config{BASE_DIR};
	dir_check("do you wish to install the base", "BASE_DIR");
	if ($tmpbase ne $config{BASE_DIR}) {
		$config{CONFIG_DIR}	 = resolve_directory($config{BASE_DIR}."/conf");	   # Configuration Dir
		$config{MODULE_DIR}	 = resolve_directory($config{BASE_DIR}."/modules");	# Modules Directory
		$config{BINARY_DIR}	 = resolve_directory($config{BASE_DIR}."/bin");	    # Binary Directory
		$config{LIBRARY_DIR}	= resolve_directory($config{BASE_DIR}."/lib");	    # Library Directory
	}

	dir_check("are the configuration files", "CONFIG_DIR");
	dir_check("are the modules to be compiled to", "MODULE_DIR");
	dir_check("is the IRCd binary to be placed", "BINARY_DIR");
	dir_check("are the IRCd libraries to be placed", "LIBRARY_DIR");

	if ($has_kqueue) {
		yesno('USE_KQUEUE',"You are running a BSD operating system, and kqueue\nwas detected. Would you like to enable kqueue support?\nThis is likely to increase performance.\nIf you are unsure, answer yes.\n\nEnable kqueue?");
		print "\n";
	}
	if ($has_epoll) {
		yesno('USE_EPOLL',"You are running a Linux 2.6+ operating system, and epoll\nwas detected. Would you like to enable epoll support?\nThis is likely to increase performance.\nIf you are unsure, answer yes.\n\nEnable epoll?");
		print "\n";
	}
	if ($has_ports) {
		yesno('USE_PORTS',"You are running Solaris 10.\nWould you like to enable I/O completion ports support?\nThis is likely to increase performance.\nIf you are unsure, answer yes.\n\nEnable support for I/O completion ports?");
		print "\n";
	}
	my $chose_hiperf;
	$chose_hiperf = (($config{USE_EPOLL} eq "y") || ($config{USE_KQUEUE} eq "y") || ($config{USE_PORTS} eq "y"));
	if (!$chose_hiperf) {
		print "No high-performance socket engines are available, or you chose\n";
		print "not to enable one. Defaulting to select() engine.\n\n";
	}

	if (($config{HAS_GNUTLS} eq "y") && ($config{HAS_OPENSSL} eq "y")) {
		print "I have detected both \033[1;32mGnuTLS\033[0m and \033[1;32mOpenSSL\033[0m on your system.\n";
		print "I will default to GnuTLS. If you wish to use OpenSSL\n";
		print "instead, you should enable the OpenSSL module yourself\n";
		print "by copying it from src/modules/extra to src/modules.\n\n";
		print "Detected GnuTLS version: \033[1;32m" . $gnutls_ver . "\033[0m\n";
		print "Detected OpenSSL version: \033[1;32m" . $openssl_ver . "\033[0m\n\n";
	}

	if ($config{HAS_GNUTLS} eq "y") {
		yesno('USE_GNUTLS', "Would you like to enable SSL Support?");
		if ($config{USE_GNUTLS} eq "y") {
			print "\nUsing GnuTLS SSL module.\n";
		}
	} elsif	($config{HAS_OPENSSL} eq "y") {
			yesno('USE_OPENSSL', "Would you like to enable SSL Support?");
	if ($config{USE_OPENSSL} eq "y") {
			print "\nUsing OpenSSL SSL module.\nYou will get better performance if you move to GnuTLS in the future.\n";
		}
	}
	else {
		print "\nCould not detect OpenSSL or GnuTLS. Make sure pkg-config is installed if\nyou intend to use OpenSSL, or that GnuTLS is in your path if you intend\nto use GnuTLS.\n\n";
	}

	yesno('IPV6',"Would you like to build with IPv6 support?");
	print "\n";

	# Get config file syntax type -- Dan
	$config{USE_INSP_CONFIG} = promptboolean("Use InspIRCd-style config syntax (default Unreal4-style)?", "n");

	### --advanced mod begin (daltocli, 21/07/07) ###
	if(defined $opt_advanced) {
		if ($config{IPV6} eq "y") {
			print "You have chosen to build an \033[1;32mIPV6-enabled\033[0m server.\nTo accept IPV4 users, you can still use IPV4 addresses\nin your port bindings..\n\n";
			$config{SUPPORT_IP6LINKS} = "y";
		} else {
			yesno('SUPPORT_IP6LINKS',"You have chosen to build an \033[1;32mIPV4-only\033[0m server.\nWould you like to enable support for linking to IPV6-enabled\n servers?\nIf you are using a recent operating\nsystem and are unsure, answer yes.\nIf you answer 'no' here, your server will be unable\nto parse IPV6 addresses (e.g. for CIDR bans)");
			print "\n";
		}

		print "\nThe following questions will ask you for various figures relating\n";
		print "To your IRCd install. Please note that these should usually be left\n";
		print "as defaults unless you have a real reason to change them. If they\n";
		print "changed, then the values must be identical on all servers on your\n";
		print "network, or malfunctions and/or crashes may occur, with the exception\n";
		print "of the 'maximum number of clients' setting which may be different on\n";
		print "different servers on the network.\n\n";

		# File Descriptor Settings..
		promptnumeric("number of clients at any one time", "MAX_CLIENT_T");
		$config{MAX_CLIENT} = $config{MAX_CLIENT_T};
		$config{MAX_DESCRIPTORS} = $config{MAX_CLIENT_T};

		promptnumeric("length of nicknames", "NICK_LENGT");
		promptnumeric("length of channel names", "CHAN_LENGT");
		promptnumeric("number of mode changes in one line", "MAXI_MODES");
		promptnumeric("length of an ident (username)", "MAX_IDENT");
		promptnumeric("length of a quit message", "MAX_QUIT");
		promptnumeric("length of a channel topic", "MAX_TOPIC");
		promptnumeric("length of a kick message", "MAX_KICK");
		promptnumeric("length of a GECOS (real name)", "MAX_GECOS");
		promptnumeric("length of an away message", "MAX_AWAY");
	} else {
		$config{SUPPORT_IP6LINKS} = "y";
		$config{MAX_CLIENT} = $config{MAX_DESCRIPTORS};
		$config{NICK_LENGT} = 31;
		$config{CHAN_LENGT} = 64;
		$config{MAXI_MODES} = 20;
	}
	### --advanced mod end ###
}

dumphash();

if (($config{USE_GNUTLS} eq "y") && ($config{HAS_GNUTLS} ne "y"))
{
	print "Sorry, but i couldn't detect gnutls. Make sure gnutls-config is in your path.\n";
	exit(0);
}
if (($config{USE_OPENSSL} eq "y") && ($config{HAS_OPENSSL} ne "y"))
{
	print "Sorry, but i couldn't detect openssl. Make sure openssl is in your path.\n";
	exit(0);
}

sub make_link($$) {
	my ($source, $dest) = @_;
	eval {
		symlink $source, $dest or die "$!";
	};
	if ($@) {
		print "Cannot create symlink: \033[1;31m$@\033[0m\nTrying hardlink instead:\n";
		eval {
			link $source, $dest or die "$!";
		};
		if ($@) {
			print "Cannot create hard link: \033[1;31m$@\033[0m\nFalling back to normal copy. \033[1mYou will need to re-run configure if this file (\033[32m$source\033[0;1m from \033[32m" . cwd() . "\033[0;1m) ever changes!\n";
			copy($source, $dest) or die "$!";
		}
	}
}

if ($config{USE_GNUTLS} eq "y") {
	my $failed = 0;
	open(TMP, "<src/modules/m_ssl_gnutls.cpp") or $failed = 1;
	close(TMP);
	if ($failed) {
		print "Symlinking src/modules/m_ssl_gnutls.cpp from extra/\n";
		chdir("src/modules");
		make_link("extra/m_ssl_gnutls.cpp", "./m_ssl_gnutls.cpp");
		chdir("../..");
	}
	getmodules();
	if ($interactive)
	{
		$failed = 0;
		open(TMP, "<$config{CONFIG_DIR}/key.pem") or $failed = 1;
		close(TMP);
		open(TMP, "<$config{CONFIG_DIR}/cert.pem") or $failed = 1;
		close(TMP);
		if ($failed) {
			print "SSL Certificates Not found, Generating.. \n\n
*************************************************************
* Generating the Private Key may take some time, go grab a  *
* Coffee. Even better, to generate some more entropy if it  *
* is taking a while, open another console and type du / a   *
* few times and get that HD going :) Then answer the        *
* Questions which follow. If you are unsure, just hit enter *
*************************************************************\n\n";
			$failed = make_gnutls_cert();
			if ($failed )
			{
				print "\n\033[1;32mCertificate generation failed!!!\033[0m\n\n";
			} else {
				print "\nCertificate generation complete, copying to config directory... ";
				move('key.pem', "$config{CONFIG_DIR}/key.pem") or print "key.pem: $!\n";
				move('cert.pem', "$config{CONFIG_DIR}/cert.pem") or print "cert.pem: $!\n";
				print "Done.\n\n";
			}
		} else {
			print "SSL Certificates found, skipping.\n\n"
		}
	}
	else
	{
		print "Skipping SSL certificate generation\nin non-interactive mode.\n\n";
	}
} elsif ($config{USE_OPENSSL} eq "y") {
	my $failed = 0;
	open(TMP, "<src/modules/m_ssl_openssl.cpp") or $failed = 1;
	close(TMP);
	if ($failed) {
		print "Symlinking src/modules/m_ssl_openssl.cpp from extra/\n";
		chdir("src/modules");
		make_link('extra/m_ssl_openssl.cpp', './m_ssl_openssl.cpp');
		chdir("../..");
	}
	getmodules();
	$failed = 0;
	if ($interactive)
	{
		open(TMP, "<$config{CONFIG_DIR}/key.pem") or $failed = 1;
		close(TMP);
		open(TMP, "<$config{CONFIG_DIR}/cert.pem") or $failed = 1;
		close(TMP);
		if ($failed) {
			print "SSL Certificates Not found, Generating.. \n\n
*************************************************************
* Generating the certificates may take some time, go grab a *
* coffee, or something.                                     *
*************************************************************\n\n";
			make_openssl_cert();
			print "\nCertificate generation complete, copying to config directory... ";
			move('key.pem', "$config{CONFIG_DIR}/key.pem") or print "key.pem: $!\n";
			move('cert.pem', "$config{CONFIG_DIR}/cert.pem") or print "cert.pem: $!\n";
			move('dhparams.pem', "$config{CONFIG_DIR}/dhparams.pem") or print "dhparams.pem: $!\n";
			print "Done.\n\n";
		} else {
			print "SSL Certificates found, skipping.\n\n"
		}
	}
	else
	{
		print "Skipping SSL certificate generation\nin non-interactive mode.\n\n";
	}
}
if (($config{USE_GNUTLS} eq "n") && ($config{USE_OPENSSL} eq "n")) {
	print "Skipping SSL Certificate generation, SSL support is not available.\n\n";
}

getosflags();
writefiles(1);
makecache();

print "\n\n";
print "To build your server with these settings, please type '\033[1;32m$config{MAKEPROG}\033[0m' now.\n";
if (($config{USE_GNUTLS} eq "y") || ($config{USE_OPENSSL} eq "y")) {
	print "Please remember that to enable \033[1;32mSSL support\033[0m you must\n";
	print "load the required modules in your config. This configure process\n";
	print "has just prepared these modules to be compiled for you, and has not\n";
	print "configured them to be compiled into the core of the ircd.\n";
}
print "*** \033[1;32mRemember to edit your configuration files!!!\033[0m ***\n\n\n";
if (($config{OSNAME} eq "OpenBSD") && ($config{CC} ne "eg++")) {
	print "\033[1;32mWARNING!\033[0m You are running OpenBSD but you are using the base gcc package\nrather than eg++. This compile will most likely fail, but i'm letting you\ngo ahead with it anyway, just in case i'm wrong :-)\n";
}

if ($config{GCCVER} < "3") {
	print <<FOO2;
\033[1;32mWARNING!\033[0m You are attempting to compile on GCC 2.x!
GCC 2.x series compilers only had partial (read as broken) C++ support, and
your compile will most likely fail horribly! If you have any problems, do NOT
report them to the bugtracker or forums without first upgrading your compiler
to a newer 3.x or 4.x (or whatever is available currently) version.
FOO2
}

################################################################################
#			      HELPER FUNCTIONS				#
################################################################################
sub getcache {
	# Retrieves the .config.cache file, and loads values into the main config hash.
	open(CACHE, ".config.cache") or return 0;
	while (<CACHE>) {
		chomp;
		# Ignore Blank lines, and comments..
		next if /^\s*$/;
		next if /^\s*#/;
		my ($key, $value) = split("=", $_, 2);
		$value =~ /^\"(.*)\"$/;
		# Do something with data here!
		$config{$key} = $1;
	}
	close(CACHE);
	return 1;
}

sub makecache {
	# Dump the contents of %config
	print "Writing \033[1;32mcache file\033[0m for future ./configures ...\n";
	open(FILEHANDLE, ">.config.cache");
	foreach my $key (keys %config) {
		print FILEHANDLE "$key=\"$config{$key}\"\n";
	}
	close(FILEHANDLE);
}

sub recursive_mkdir($) {
	my ($path) = @_;
	use File::Path qw(mkpath);
	mkpath($path, 0, 0777);
}

sub dir_check {
	my ($desc, $hash_key) = @_;
	my $complete = 0;
	while (!$complete) {
		print "In what directory $desc?\n";
		print "[\033[1;32m$config{$hash_key}\033[0m] -> ";
		my $var;
		chomp($var = <STDIN>);
		if ($var eq "") {
			$var = $config{$hash_key};
		}
		if ($var =~ /^\~\/(.+)$/) {
			# Convert it to a full path..
			$var = resolve_directory($ENV{HOME} . "/" . $1);
		}
		elsif ((($config{OSNAME} =~ /MINGW32/i) and ($var !~ /^[A-Z]{1}:\\.*/)) and (substr($var,0,1) ne "/"))
		{
			# Assume relative Path was given.. fill in the rest.
			$var = $this . "/$var";
		}
		$var = resolve_directory($var); 
		if (! -e $var) {
			print "$var does not exist. Create it?\n[\033[1;32my\033[0m] ";
			my $tmp;
			chomp($tmp = <STDIN>);
			if (($tmp eq "") || ($tmp =~ /^y/i)) {
				# Attempt to Create the Dir..
				eval {
					recursive_mkdir($var);
				};
				if ($@) {
					print "Unable to create directory. ($var)\n\n";
					# Restart Loop..
					next;
				}
			} else {
				# They said they don't want to create, and we can't install there.
				print "\n\n";
				next;
			}
		} else {
			if (!is_dir($var)) {
				# Target exists, but is not a directory.
				print "File $var exists, but is not a directory.\n\n";
				next;
			}
		}
		# Either Dir Exists, or was created fine.
		$config{$hash_key} = $var;
		$complete = 1;
		print "\n";
	}
}

our $SHARED;

sub getosflags {

	$config{LDLIBS} = "-lstdc++";
	$config{FLAGS}  = "-fno-strict-aliasing -fPIC -Wall -Woverloaded-virtual -Wno-deprecated $config{OPTIMISATI}";
	$config{DEVELOPER} = "-fno-strict-aliasing -fPIC -Wall -Woverloaded-virtual -Wno-deprecated -g";
	$SHARED = "-Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared";
	$config{MAKEPROG} = "make";

	if ($config{OSNAME} =~ /darwin/i) {
		$config{FLAGS}  = "-DDARWIN -frtti -fPIC -Wall -Woverloaded-virtual -Wno-deprecated $config{OPTIMISATI}";
		$SHARED = "-bundle -twolevel_namespace -undefined dynamic_lookup";
		$config{LDLIBS} = "-ldl -lstdc++";
	}

	if ($config{OSNAME} =~ /OpenBSD/i) {
		$config{MAKEPROG} = "gmake";
		my $foo;
		chomp($foo = `eg++ -dumpversion | cut -c 1`);
		# theyre running the package version of gcc (eg++)... detect it and set up its version numbers.
		# if theyre not running this, configure lets the build continue but they probably wont manage to
		# compile as this standard version is 2.95.3!
		if ($foo ne "") {
			$config{CC} = "eg++";
			chomp($config{GCCVER}       = `eg++ -dumpversion | cut -c 1`); # we must redo these if we change the compiler path
		}
		return "OpenBSD";
	}

	if ($config{OSNAME} =~ /Linux/i) {
		$config{LDLIBS} = "-ldl -lstdc++";
		$config{FLAGS}  = "-fno-strict-aliasing -fPIC -Wall -Woverloaded-virtual -Wno-deprecated $config{OPTIMISATI}";
		$config{FLAGS}  .= " " . $ENV{CXXFLAGS} if exists($ENV{CXXFLAGS});
		$config{LDLIBS} .= " " . $ENV{LDLIBS} if exists($ENV{LDLIBS});
		$config{MAKEPROG} = "make";
	}

	if ($config{OSNAME} =~ /FreeBSD/i) {
		$config{FLAGS}  .= " " . $ENV{CXXFLAGS} if exists($ENV{CXXFLAGS});
		$config{LDLIBS} .= " " . $ENV{LDLIBS} if exists($ENV{LDLIBS});
	}

	if ($config{OSNAME} =~ /SunOS/i or $config{OSNAME} =~ /solaris/i)
	{
		# solaris/sunos needs these
		# socket = bsd sockets api
		# nsl = dns stuff
		# rt = POSIX realtime extensions
		# resolv = inet_aton only (why isnt this in nsl?!)
		$config{MAKEPROG} = "gmake";
		$config{LDLIBS} .= " -lsocket -lnsl -lrt -lresolv";
		return "Solaris";
	}
	
	if($config{OSNAME} =~ /MINGW32/i)
	{
		# All code is position-independent on windows
		$config{FLAGS} =~ s/-fPIC //;
		return "MinGW";
	}

	return $config{OSNAME};
}

sub writefiles {
	my($writeheader) = @_;
	my $se;
	# First File.. inspircd_config.h
	chomp(my $incos = `uname -n -s -r`);
	my $version;
	chomp($version = `sh src/version.sh`);
	chomp(my $revision2 = getrevision());
	if ($writeheader == 1)
	{
		print "Writing \033[1;32minspircd_config.h\033[0m\n";
		open(FILEHANDLE, ">include/inspircd_config.h");
		my $NL = $config{NICK_LENGT}+1;
		my $CL = $config{CHAN_LENGT}+1;
		print FILEHANDLE <<EOF;
/* Auto generated by configure, do not modify! */
#ifndef __CONFIGURATION_AUTO__
#define __CONFIGURATION_AUTO__

/* this is for windows support. */
#define CoreExport /**/
#define DllExport /**/

#define CONFIG_FILE "$config{CONFIG_DIR}/sakura.conf"
#define CONFIG_PATH "$config{CONFIG_DIR}/"
#define MOD_PATH "$config{MODULE_DIR}"
#define VERSION "$version"
#define REVISION "$revision2"
#define MAXCLIENTS $config{MAX_CLIENT}
#define MAXCLIENTS_S "$config{MAX_CLIENT}"
#define SOMAXCONN_S "$config{_SOMAXCONN}"
#define MAX_DESCRIPTORS $config{MAX_DESCRIPTORS}
#define NICKMAX $NL
#define CHANMAX $CL
#define MAXMODES $config{MAXI_MODES}
#define IDENTMAX $config{MAX_IDENT}
#define MAXQUIT $config{MAX_QUIT}
#define MAXTOPIC $config{MAX_TOPIC}
#define MAXKICK $config{MAX_KICK}
#define MAXGECOS $config{MAX_GECOS}
#define MAXAWAY $config{MAX_AWAY}
#define OPTIMISATION $config{OPTIMITEMP}
#define LIBRARYDIR "$config{LIBRARY_DIR}"
#define SYSTEM "$incos"
EOF
print FILEHANDLE "#define MAXBUF " . ($config{MAXBUF}+2) . "\n";

		if ($config{USE_INSP_CONFIG} == 1) {
			print FILEHANDLE "#define USEINSPCONFIG\n";
		}
		if ($config{OSNAME} =~ /SunOS/i or $config{OSNAME} =~ /solaris/i) {
			print FILEHANDLE "#define IS_SOLARIS\n";
		}
		if ($config{OSNAME} =~ /MINGW32/i) {
			print FILEHANDLE "#define IS_MINGW\n";
		}
		if ($config{OSNAME} =~ /CYG-STATIC/i) {
			print FILEHANDLE "#ifndef FD_SETSIZE\n#define FD_SETSIZE    1024\n#endif\n";
		}
		if ($config{STATIC_LINK} eq "yes") {
			print FILEHANDLE "#define STATIC_LINK\n";
		}
		if ($config{GCCVER} >= 3) {
			print FILEHANDLE "#define GCC3\n";
		}
		if ($config{HAS_STRLCPY} eq "true") {
			print FILEHANDLE "#define HAS_STRLCPY\n";
		}
		if ($config{HAS_STDINT} eq "true") {
			print FILEHANDLE "#define HAS_STDINT\n";
		}
		if ($config{IPV6} =~ /y/i) {
			print FILEHANDLE "#define IPV6\n";
		}
		if ($config{SUPPORT_IP6LINKS} =~ /y/i) {
			print FILEHANDLE "#define SUPPORT_IP6LINKS\n";
		}
		my $use_hiperf = 0;
		if (($has_kqueue) && ($config{USE_KQUEUE} eq "y")) {
			print FILEHANDLE "#define USE_KQUEUE\n";
			$se = "socketengine_kqueue";
			$use_hiperf = 1;
		}
		if (($has_epoll) && ($config{USE_EPOLL} eq "y")) {
			print FILEHANDLE "#define USE_EPOLL\n";
			$se = "socketengine_epoll";
			$use_hiperf = 1;
		}
		if (($has_ports) && ($config{USE_PORTS} eq "y")) {
			print FILEHANDLE "#define USE_PORTS\n";
			$se = "socketengine_ports";
			$use_hiperf = 1;
		}
		# user didn't choose either epoll or select for their OS.
		# default them to USE_SELECT (ewwy puke puke)
		if (!$use_hiperf) {
			print FILEHANDLE "#define USE_SELECT\n";
			$se = "socketengine_select";
		}
		print FILEHANDLE "\n#endif\n";
		close(FILEHANDLE);
	}

	if ($writeheader)
	{
		open(FILEHANDLE, ">include/inspircd_se_config.h");
		print FILEHANDLE <<EOF;
/* Auto generated by configure, do not modify or commit to svn! */
#ifndef __CONFIGURATION_SOCKETENGINE__
#define __CONFIGURATION_SOCKETENGINE__

#include "$se.h"

#endif
EOF
		close(FILEHANDLE);
	}


	# Create a Modules List..
	my $modules = "";
	foreach my $i (@modlist)
	{
		if ($config{STATIC_LINK} eq "yes") {
			$modules .= "m_".$i.".o ";
		}
		else {
			$modules .= "m_".$i.".so ";
		}
	}
	chomp($modules);   # Remove Redundant whitespace..

	opendir(DIRHANDLE, "src/modules");
	foreach my $name (sort readdir(DIRHANDLE)) {
		if ($name =~ /^m_(.+?)$/) {
			if (opendir(MDIRHANDLE, "src/modules/$name")) {
				closedir(MDIRHANDLE);
				$modules .= "$name.so ";
			}
		}
	}
	closedir(DIRHANDLE);


	# Write all .in files.
	my $tmp = "";
	my $file = "";
	my $exe = "sakura";

	opendir(DIRHANDLE, $this);

	# Do this once here, and cache it in the .*.inc files,
	# rather than attempting to read src/version.sh from
	# compiled code -- we might not have the source to hand.
	# Fix for bug#177 by Brain.

	chomp($version = `sh ./src/version.sh`);
	chomp(my $revision = getrevision());
	$version = "$version(r$revision)";

	my $LIBEXT = "so";
	if ($config{IS_DARWIN} eq "YES")
	{
		$LIBEXT = "dylib";
	}
	# We can actually parse any file starting with . and ending with .inc,
	# but right now we only parse .sakura.inc to form './sakura'

	foreach my $name (sort readdir(DIRHANDLE)) {
		if ($name =~ /^\.(.+)\.inc$/) {
			$file = $1;

			# Bug #353, omit this on non-darwin
			next if (($config{OSNAME} !~ /darwin/) && ($file eq "org.inspircd.plist"));

			# All .name.inc files need parsing!
			my $inc_fd;
			my $out_fd;
			open $inc_fd, "<", ".$file.inc" or die "Read Error: .$file.inc: $!";
			open $out_fd, ">", $file or die "Write Error: $file: $!";
			print "Writing \033[1;32m$file\033[0m\n";
			while (<$inc_fd>) {
				my $tmp = $_;
				$tmp =~ s/\@CC\@/$config{CC}/;
				$tmp =~ s/\@MAKEPROG\@/$config{MAKEPROG}/;
				$tmp =~ s/\@FLAGS\@/$config{FLAGS}/;
				$tmp =~ s/\@DEVELOPER\@/$config{DEVELOPER}/;
				$tmp =~ s/\@LDLIBS\@/$config{LDLIBS}/;
				$tmp =~ s/\@BASE_DIR\@/$config{BASE_DIR}/;
				$tmp =~ s/\@CONFIG_DIR\@/$config{CONFIG_DIR}/;
				$tmp =~ s/\@MODULE_DIR\@/$config{MODULE_DIR}/;
				$tmp =~ s/\@BINARY_DIR\@/$config{BINARY_DIR}/;
				$tmp =~ s/\@LIBRARY_DIR\@/$config{LIBRARY_DIR}/;
				$tmp =~ s/\@LIBRARY_EXT\@/$LIBEXT/;
				$tmp =~ s/\@MODULES\@/$modules/;
				$tmp =~ s/\@STARTSCRIPT\@/$config{STARTSCRIPT}/;
				$tmp =~ s/\@DESTINATION\@/$config{DESTINATION}/;
				$tmp =~ s/\@EXTRA_DIR\@/$config{EXTRA_DIR}/;
				$tmp =~ s/\@EXECUTABLE\@/$exe/;
				$tmp =~ s/\@MAKEORDER\@/$config{MAKEORDER}/;
				$tmp =~ s/\@STATICLIBS\@/$config{STATICLIBS}/;
				$tmp =~ s/\@VERSION\@/$version/;
				print $out_fd $tmp;
			}
			close $inc_fd;
			close $out_fd;
		}
	}
	closedir(DIRHANDLE);

	# Make script executable!
	chmod 0744, 'sakura';

	if ($config{STATIC_LINK} eq "yes") {
		print "Writing static-build \033[1;32msrc/Makefile\033[0m\n";
		write_static_makefile();
		write_static_modules_makefile();
	} else {
		print "Writing dynamic-build \033[1;32msrc/Makefile\033[0m\n";
		write_dynamic_makefile();
		write_dynamic_modules_makefile();
		eval { write_new_makefile(); }; print STDERR "Write of new-style makefile src/Makefile.new failed: $@" if ($@);
	}
}

sub write_static_modules_makefile {
	# Modules Makefile..
	print "Writing \033[1;32msrc/modules/Makefile\033[0m\n";
	open(FILEHANDLE, ">src/modules/Makefile");

	###
	# Module Makefile Header
	###
	print FILEHANDLE <<EOF;
###################################################
# Copyright 2002-2007 The InspIRCd Development Team
#  http://www.inspircd.org/wiki/index.php/Credits
#
# Thanks to Andrew Church <achurch\@achurch.org>
#  for assisting with making this work right.
#
# Automatically Generated by ./configure to add a
#  modules please run ./configure --modupdate
###################################################

all: \$(MODULES)

EOF
	###
	# End Module Makefile Header
	###

	# Create a Modules List..
	my $modules = "";
	my $cmflags = "";
	my $liflags = "";

	open(MODLIST,">include/modlist.h");

	###
	# Include File Header
	###
	print MODLIST <<HEADER;
// Generated automatically by configure. DO NOT EDIT!

#ifndef __SYMBOLS__H_CONFIGURED__
#define __SYMBOLS__H_CONFIGURED__

HEADER
	###
	# End Include File Header
	###
	my $deps;
	my $flags;

	# Place Module List into Include
	foreach my $i (@modlist) {
		if ($i !~ /_static$/) {
			print MODLIST "extern \"C\" void * $i\_init (void);\n";
		}
	}
	print MODLIST "\nstruct {const char *name; initfunc *value; } modsyms[] = {\n";

	###
	# Build Module Crap
	###
	foreach my $i (@modlist)
	{
		if ($i !~ /_static$/) {
			$cmflags = getcompilerflags("src/modules/m_".$i.".cpp");
			$liflags = getlinkerflags("src/modules/m_".$i.".cpp");
			$deps = getdependencies("src/modules/m_".$i.".cpp");

			#print "file: $i: cmflags=$cmflags; liflags=$liflags; deps=$deps\n";

			###
			# Write Entry to the Makefile
			###
			print FILEHANDLE <<EOCHEESE;
m_$i.o: .m_$i\_static.cpp ../../include/modules.h ../../include/users.h ../../include/channels.h ../../include/base.h $deps
	\$(CC) -pipe -I../../include \$(FLAGS) $flags -export-dynamic -c .m_$i\_static.cpp
	mv .m_$i\_static.o ../m_$i.o

EOCHEESE
			###
			# End Write Entry to the MakeFile
			###
			print "Configuring module [\033[1;32mm_$i.so\033[0m] for static linking... ";
			open(MODULE,"<src/modules/m_".$i.".cpp") or die("Could not open m_".$i.".cpp");
			open(MUNGED,">src/modules/.m_".$i."_static.cpp") or die("Could not create .m_".$i."_static.cpp");
			while (chomp($a = <MODULE>)) { 
				$a =~ s/init_module/$i\_init/g;
				print MUNGED "$a\n";
			}
			close(MODULE);
			close(MUNGED);
			print MODLIST <<EOENT;
{"m_$i.so",\&$i\_init},
EOENT
			print "done\n";
		}
	}

	print MODLIST "{0}};\n\n#endif\n";
	close(MODLIST);
}

sub write_dynamic_modules_makefile {
	# Modules Makefile..
	print "Writing \033[1;32msrc/modules/Makefile\033[0m\n";
	open(FILEHANDLE, ">src/modules/Makefile");


###
# Module Makefile Header
###
	print FILEHANDLE <<EOF;
###################################################
# Copyright 2002-2007 The InspIRCd Development Team
#  http://www.inspircd.org/wiki/index.php/Credits
#
# Thanks to Andrew Church <achurch\@achurch.org>
#   for assisting with making this work right.
#
# Automatically Generated by ./configure to add a
#  modules please run ./configure -modupdate
###################################################

all: \$(MODULES)

EOF
	###
	# End Module Makefile Header
	###

	# Create a Modules List..
	my $modules = "";
	my $cmflags = "";
	my $liflags = "";
	my $crud = "";
	my $deps;

	foreach my $i (@modlist) {
		###
		# Write Entry to the MakeFile
		###
		$cmflags = getcompilerflags("src/modules/m_".$i.".cpp");
		$liflags = getlinkerflags("src/modules/m_".$i.".cpp");
		$deps = getdependencies("src/modules/m_".$i.".cpp");
	
		#print "file: $i: cmflags=$cmflags; liflags=$liflags; deps=$deps\n";
	
		print FILEHANDLE <<EOCHEESE;
m_$i.so: m_$i.cpp ../../include/modules.h ../../include/users.h ../../include/channels.h ../../include/base.h ../../include/inspircd_config.h ../../include/inspircd.h ../../include/configreader.h $deps
	\$(CC) -pipe -I../../include \$(FLAGS) $cmflags -export-dynamic -c m_$i.cpp
EOCHEESE

if ($config{OSNAME} =~ /darwin/) {
		print FILEHANDLE <<EOCHEESE;
	\$(CC) -pipe -twolevel_namespace -undefined dynamic_lookup \$(FLAGS) -bundle $liflags -o m_$i.so m_$i.o

EOCHEESE
} else {
		print FILEHANDLE <<EOCHEESE;
	\$(CC) -pipe \$(FLAGS) -shared $liflags -o m_$i.so m_$i.o

EOCHEESE
}
		$crud = $crud . "	install -m \$(INSTMODE) m_$i.so \$(MODPATH)\n";
###
		# End Write Entry to the MakeFile
		###
	}

	opendir(DIRHANDLE, "src/modules");
	foreach my $name (sort readdir(DIRHANDLE)) {
		if ($name =~ /^m_(.+?)$/) {
			my $crapola = "";
			my $crap3 = "";
			my $mliflags = "";
			# A module made of multiple files, in a dir, e.g. src/modules/m_spanningtree/
			if (opendir(MDIRHANDLE, "src/modules/$name")) {
				my $i = 0;
				print FILEHANDLE "$name.so: ../../include/modules.h ../../include/users.h ../../include/channels.h ../../include/base.h ../../include/inspircd_config.h ../../include/inspircd.h ../../include/configreader.h"; 
				foreach my $fname (sort readdir(MDIRHANDLE)) {
					if ($fname =~ /\.cpp$/) {
						$cmflags = getcompilerflags("src/modules/$name/$fname");
						$mliflags = $mliflags . " " . getlinkerflags("src/modules/$name/$fname");
						$deps = getdependencies("src/modules/$name/$fname");
						my $oname = $fname;
						$oname =~ s/\.cpp$/.o/g;
						print FILEHANDLE " $name/$oname";
						$crapola = $crapola .  "$name/$oname: $name/$fname ../../include/modules.h ../../include/users.h ../../include/channels.h ../../include/base.h ../../include/inspircd_config.h ../../include/inspircd.h ../../include/configreader.h $deps\n";
						$crapola = $crapola .  "	\$(CC) -pipe -I../../include -I. \$(FLAGS) $cmflags -export-dynamic -o $name/$oname -c $name/$fname\n\n";
						$crap3 = $crap3 . " $name/$oname";
						$i++;
					}
				}
				print "Composing Makefile rules for directory \033[1;32m$name\033[0m... (\033[1;32m$i files found\033[0m)\n";
				if ($config{IS_DARWIN} eq "YES") {
					print FILEHANDLE "\n	\$(CC) -pipe -twolevel_namespace -undefined dynamic_lookup \$(FLAGS) -bundle -o $name.so $crap3\n"; 
				} else {
					print FILEHANDLE "\n	\$(CC) -pipe \$(FLAGS) -shared $mliflags -o $name.so $crap3\n";
				}
				print FILEHANDLE "\n$crapola\n";
				closedir(MDIRHANDLE);
				$crud = $crud . "	install -m \$(INSTMODE) $name.so \$(MODPATH)\n";
			}
		}
	}
	closedir(DIRHANDLE);

	print FILEHANDLE "modinst:\n	\@echo \"Installing modules...\"\n" . $crud;
}


sub write_static_makefile {
	open(FH,">src/Makefile") or die("Could not write src/Makefile!");
	my $i = 0;
	my @cmdlist = ();
	opendir(DIRHANDLE, "src");
	foreach my $name (sort readdir(DIRHANDLE)) {
		if ($name =~ /^cmd_(.+)\.cpp$/) {
			$cmdlist[$i++] = $1;
		}
	}
	closedir(DIRHANDLE);
	my $cmdobjs = "";
	my $srcobjs = "";
	foreach my $cmd (@cmdlist) {
		$cmdobjs = $cmdobjs . "cmd_$cmd.o ";
		$srcobjs = $srcobjs . "cmd_$cmd.cpp ";
	}
	print FH <<EOM;
###################################################
# Copyright 2002-2007 The InspIRCd Development Team
#  http://www.inspircd.org/wiki/index.php/Credits
#
# Thanks to Andrew Church <achurch\@achurch.org>
#  for assisting with making this work right.
#
# This file is automagically generated by configure
# Any changes made will be lost on ./configure
###################################################

CC = im a cheezeball

CXXFLAGS = -I../include \${FLAGS}
CPPFILES = \$(shell /bin/ls -l modes/ | grep '\\.cpp' | sed 's/^.* //' | grep -v svn)
RELCPPFILES = \$(shell /bin/ls -l modes/ | grep '\\.cpp' | sed 's/^.* /modes\\//' | grep -v svn)

EOM

my $se = "socketengine_select";
if (($has_kqueue) && ($config{USE_KQUEUE} eq "y")) {
	$se = "socketengine_kqueue";
}       
elsif (($has_epoll) && ($config{USE_EPOLL} eq "y")) {
	$se = "socketengine_epoll";
}
elsif (($has_ports) && ($config{USE_PORTS} eq "y")) {
	$se = "socketengine_ports";
}

	print FH <<EOM;

cull_list.o: cull_list.cpp ../include/base.h ../include/hashcomp.h ../include/globals.h ../include/inspircd_config.h ../include/users.h ../include/channels.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c cull_list.cpp

snomasks.o: snomasks.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/channels.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c snomasks.cpp

command_parse.o: command_parse.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c command_parse.cpp

userprocess.o: userprocess.cpp ../include/base.h ../include/hashcomp.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c userprocess.cpp

socketengine.o: $se.cpp socketengine.cpp ../include/base.h ../include/hashcomp.h ../include/globals.h ../include/inspircd_config.h ../include/$se.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c socketengine.cpp $se.cpp

hashcomp.o: hashcomp.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c hashcomp.cpp

helperfuncs.o: helperfuncs.cpp ../include/base.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c helperfuncs.cpp

channels.o: channels.cpp ../include/base.h ../include/channels.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c channels.cpp

mode.o: mode.cpp ../include/base.h ../include/mode.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h \$(RELCPPFILES) modes/modeclasses.a
	\${MAKE} -C "modes" DIRNAME="src/modes" CC="\$(CC)" \$(MAKEARGS)
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c mode.cpp

xline.o: xline.cpp ../include/base.h ../include/xline.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c xline.cpp

inspstring.o: inspstring.cpp ../include/base.h ../include/inspstring.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c inspstring.cpp

dns.o: dns.cpp ../include/base.h ../include/dns.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c dns.cpp

base.o: base.cpp ../include/base.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c base.cpp

configreader.o: configreader.cpp ../include/base.h ../include/configreader.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c configreader.cpp

unrealconfig.o: unrealconfig.cpp ../include/base.h ../include/unrealconfig.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c unrealconfig.cpp

commands.o: commands.cpp ../include/base.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h $srcobjs
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c commands.cpp $cmdobjs

dynamic.o: dynamic.cpp ../include/base.h ../include/dynamic.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c dynamic.cpp

users.o: users.cpp ../include/base.h ../include/users.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c users.cpp

modules.o: modules.cpp ../include/base.h ../include/modules.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c modules.cpp

wildcard.o: wildcard.cpp ../include/base.h ../include/wildcard.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c wildcard.cpp

socket.o: socket.cpp ../include/base.h ../include/inspircd.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c socket.cpp
	
inspsocket.o: inspsocket.cpp ../include/base.h ../include/inspircd.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c inspsocket.cpp

timer.o: timer.cpp ../include/base.h ../include/inspircd.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c timer.cpp

EOM
	foreach my $cmd (@cmdlist) {
		print FH <<ITEM;
cmd_$cmd.o: cmd_$cmd.cpp ../include/base.h ../include/modules.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/commands/cmd_$cmd.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c cmd_$cmd.cpp
ITEM
	}
	close(FH);
}

sub write_dynamic_makefile {

	my $i = 0;
	my @cmdlist = ();
	opendir(DIRHANDLE, "src");
	foreach my $name (sort readdir(DIRHANDLE)) {
		if ($name =~ /^cmd_(.+)\.cpp$/) {
			$cmdlist[$i++] = $1;
	    	}
	}
	closedir(DIRHANDLE);

	my $cmdobjs = "";
	my $srcobjs = "";
	foreach my $cmd (@cmdlist) {
		$cmdobjs = $cmdobjs . "cmd_$cmd.so ";
		$srcobjs = $srcobjs . "cmd_$cmd.cpp ";
	}

	my $se = "socketengine_select";
	if (($has_kqueue) && ($config{USE_KQUEUE} eq "y")) {
		$se = "socketengine_kqueue";
	}
	elsif (($has_epoll) && ($config{USE_EPOLL} eq "y")) {
		$se = "socketengine_epoll";
	}
	elsif (($has_ports) && ($config{USE_PORTS} eq "y")) {
		$se = "socketengine_ports";
	}

	open(FH,">src/Makefile") or die("Could not write src/Makefile");
	print FH <<EOM;
###################################################
# Copyright 2002-2007 The InspIRCd Development Team
#  http://www.inspircd.org/wiki/index.php/Credits
#
# Thanks to Andrew Church <achurch\@achurch.org>
#  for assisting with making this work right.
#
# This file is automagically generated by configure 
# Any changes made will be lost on ./configure         
###################################################

CC = im a cheezeball

CXXFLAGS = -I../include \${FLAGS}
CPPFILES = \$(shell /bin/ls -l modes/ | grep '\\.cpp' | sed 's/^.* //' | grep -v svn)
RELCPPFILES = \$(shell /bin/ls -l modes/ | grep '\\.cpp' | sed 's/^.* /modes\\//' | grep -v svn)

EOM

if ($config{IS_DARWIN} eq "YES") {
	print FH <<EOM;
all: libIRCDtimer.dylib libIRCDcull_list.dylib libIRCDuserprocess.dylib libIRCDsocketengine.dylib libIRCDsocket.dylib libIRCDhash.dylib libIRCDchannels.dylib libIRCDmode.dylib libIRCDxline.dylib libIRCDstring.dylib libIRCDasyncdns.dylib libIRCDbase.dylib libIRCDconfigreader.dylib libIRCDinspsocket.dylib libIRCDcommands.dylib libIRCDdynamic.dylib libIRCDusers.dylib libIRCDmodules.dylib libIRCDwildcard.dylib libIRCDhelper.dylib libIRCDcommand_parse.dylib libIRCDsnomasks.dylib sakura

sakura: inspircd.cpp ../include/base.h ../include/channels.h ../include/inspircd.h ../include/channels.h ../include/globals.h ../include/inspircd_config.h ../include/socket.h $cmdobjs libIRCDtimer.dylib libIRCDcull_list.dylib libIRCDuserprocess.dylib libIRCDsocketengine.dylib libIRCDsocket.dylib libIRCDhash.dylib libIRCDchannels.dylib libIRCDmode.dylib libIRCDxline.dylib libIRCDstring.dylib libIRCDasyncdns.dylib libIRCDbase.dylib libIRCDconfigreader.dylib libIRCDinspsocket.dylib libIRCDsnomasks.dylib libIRCDcommands.dylib libIRCDdynamic.dylib libIRCDusers.dylib libIRCDmodules.dylib libIRCDwildcard.dylib libIRCDhelper.dylib libIRCDcommand_parse.dylib
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c inspircd.cpp
	\$(CC) -pipe -dynamic -bind_at_load -L. -o sakura \$(LDLIBS) inspircd.o libIRCDchannels.dylib libIRCDmode.dylib libIRCDxline.dylib libIRCDstring.dylib libIRCDasyncdns.dylib libIRCDbase.dylib libIRCDconfigreader.dylib libIRCDinspsocket.dylib libIRCDcommands.dylib libIRCDdynamic.dylib libIRCDusers.dylib libIRCDmodules.dylib libIRCDwildcard.dylib libIRCDhelper.dylib libIRCDhash.dylib libIRCDsocket.dylib libIRCDsocketengine.dylib libIRCDuserprocess.dylib libIRCDcull_list.dylib libIRCDcommand_parse.dylib libIRCDtimer.dylib libIRCDsnomasks.dylib

libIRCDsocketengine.dylib: $se.cpp socketengine.cpp ../include/base.h ../include/hashcomp.h ../include/globals.h ../include/inspircd_config.h ../include/$se.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c socketengine.cpp
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c $se.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDsocketengine.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDsocketengine.dylib socketengine.o $se.o

libIRCDsnomasks.dylib: snomasks.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/channels.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c snomasks.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDsnomasks.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDsnomasks.dylib snomasks.o

libIRCDcommand_parse.dylib: command_parse.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c command_parse.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDcommand_parse.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDcommand_parse.dylib command_parse.o

libIRCDcull_list.dylib: cull_list.cpp ../include/base.h ../include/hashcomp.h ../include/globals.h ../include/inspircd_config.h ../include/users.h ../include/channels.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c cull_list.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDcull_list.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDcull_list.dylib cull_list.o

libIRCDuserprocess.dylib: userprocess.cpp ../include/base.h ../include/hashcomp.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c userprocess.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDuserprocess.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDuserprocess.dylib userprocess.o

libIRCDhash.dylib: hashcomp.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c hashcomp.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDhash.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDhash.dylib hashcomp.o

libIRCDhelper.dylib: helperfuncs.cpp ../include/base.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c helperfuncs.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDhelper.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDhelper.dylib helperfuncs.o

libIRCDchannels.dylib: channels.cpp ../include/base.h ../include/channels.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c channels.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDchannels.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDchannels.dylib channels.o

libIRCDmode.dylib: mode.cpp ../include/base.h ../include/mode.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h \$(RELCPPFILES)
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c mode.cpp
	\${MAKE} -C "modes" DIRNAME="src/modes" CC="\$(CC)" \$(MAKEARGS) CPPFILES="\$(CPPFILES)"
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDmode.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDmode.dylib mode.o modes/modeclasses.a

libIRCDxline.dylib: xline.cpp ../include/base.h ../include/xline.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c xline.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDxline.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDxline.dylib xline.o

libIRCDstring.dylib: inspstring.cpp ../include/base.h ../include/inspstring.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c inspstring.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDstring.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDstring.dylib inspstring.o

libIRCDasyncdns.dylib: dns.cpp ../include/base.h ../include/dns.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c dns.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDasyncdns.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDasyncdns.dylib dns.o

libIRCDbase.dylib: base.cpp ../include/base.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c base.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDbase.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDbase.dylib base.o

libIRCDconfigreader.dylib: configreader.cpp ../include/base.h ../include/configreader.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/unrealconfig.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c configreader.cpp
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c unrealconfig.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDconfigreader.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDconfigreader.dylib configreader.o unrealconfig.o

libIRCDcommands.dylib: commands.cpp ../include/base.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c commands.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDcommands.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDcommands.dylib commands.o

libIRCDdynamic.dylib: dynamic.cpp ../include/base.h ../include/dynamic.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c dynamic.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDdynamic.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDdynamic.dylib dynamic.o

libIRCDusers.dylib: users.cpp ../include/base.h ../include/users.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c users.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDusers.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDusers.dylib users.o

libIRCDmodules.dylib: modules.cpp ../include/base.h ../include/modules.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c modules.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDmodules.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDmodules.dylib modules.o

libIRCDwildcard.dylib: wildcard.cpp ../include/base.h ../include/wildcard.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c wildcard.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDwildcard.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDwildcard.dylib wildcard.o

libIRCDsocket.dylib: socket.cpp ../include/base.h ../include/inspircd.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c socket.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDsocket.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDsocket.dylib socket.o

libIRCDinspsocket.dylib: inspsocket.cpp ../include/base.h ../include/inspircd.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c inspsocket.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDinspsocket.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDinspsocket.dylib inspsocket.o

libIRCDtimer.dylib: timer.cpp ../include/base.h ../include/inspircd.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c timer.cpp
	\$(CC) -pipe -install_name $config{LIBRARY_DIR}/libIRCDtimer.dylib -dynamiclib -twolevel_namespace -undefined dynamic_lookup -o libIRCDtimer.dylib timer.o

EOM

} else {

	print FH <<EOM;
all: libIRCDtimer.so libIRCDcull_list.so libIRCDuserprocess.so libIRCDsocketengine.so libIRCDsocket.so libIRCDhash.so libIRCDchannels.so libIRCDmode.so libIRCDxline.so libIRCDstring.so libIRCDasyncdns.so libIRCDbase.so libIRCDconfigreader.so libIRCDinspsocket.so $cmdobjs libIRCDcommands.so libIRCDdynamic.so libIRCDusers.so libIRCDmodules.so libIRCDwildcard.so libIRCDhelper.so libIRCDcommand_parse.so libIRCDsnomasks.so sakura

sakura: inspircd.cpp ../include/base.h ../include/channels.h ../include/inspircd.h ../include/channels.h ../include/globals.h ../include/inspircd_config.h ../include/socket.h libIRCDtimer.so libIRCDcull_list.so libIRCDuserprocess.so libIRCDsocketengine.so libIRCDsocket.so libIRCDhash.so libIRCDchannels.so libIRCDmode.so libIRCDxline.so libIRCDstring.so libIRCDasyncdns.so libIRCDbase.so libIRCDconfigreader.so libIRCDinspsocket.so $cmdobjs libIRCDsnomasks.so libIRCDcommands.so libIRCDdynamic.so libIRCDusers.so libIRCDmodules.so libIRCDwildcard.so libIRCDhelper.so libIRCDcommand_parse.so
	\$(CC) -pipe -I../include -Wl,--rpath -Wl,$config{LIBRARY_DIR} \$(FLAGS) -rdynamic -L. inspircd.cpp -o sakura \$(LDLIBS) libIRCDchannels.so libIRCDmode.so libIRCDxline.so libIRCDstring.so libIRCDasyncdns.so libIRCDbase.so libIRCDconfigreader.so libIRCDinspsocket.so libIRCDcommands.so libIRCDdynamic.so libIRCDusers.so libIRCDmodules.so libIRCDwildcard.so libIRCDhelper.so libIRCDhash.so libIRCDsocket.so libIRCDsocketengine.so libIRCDuserprocess.so libIRCDcull_list.so libIRCDcommand_parse.so libIRCDtimer.so libIRCDsnomasks.so

libIRCDsocketengine.so: $se.cpp socketengine.cpp ../include/base.h ../include/hashcomp.h ../include/globals.h ../include/inspircd_config.h ../include/$se.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c socketengine.cpp $se.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDsocketengine.so socketengine.o $se.o

libIRCDsnomasks.so: snomasks.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/channels.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c snomasks.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDsnomasks.so snomasks.o

libIRCDcommand_parse.so: command_parse.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c command_parse.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDcommand_parse.so command_parse.o

libIRCDcull_list.so: cull_list.cpp ../include/base.h ../include/hashcomp.h ../include/globals.h ../include/inspircd_config.h ../include/users.h ../include/channels.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c cull_list.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDcull_list.so cull_list.o

libIRCDuserprocess.so: userprocess.cpp ../include/base.h ../include/hashcomp.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c userprocess.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDuserprocess.so userprocess.o

libIRCDhash.so: hashcomp.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c hashcomp.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDhash.so hashcomp.o

libIRCDhelper.so: helperfuncs.cpp ../include/base.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c helperfuncs.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDhelper.so helperfuncs.o

libIRCDchannels.so: channels.cpp ../include/base.h ../include/channels.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c channels.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDchannels.so channels.o

libIRCDmode.so: mode.cpp ../include/base.h ../include/mode.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h \$(RELCPPFILES)
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c mode.cpp
	\${MAKE} -C "modes" DIRNAME="src/modes" CC="\$(CC)" \$(MAKEARGS) CPPFILES="\$(CPPFILES)"
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDmode.so mode.o modes/modeclasses.a

libIRCDxline.so: xline.cpp ../include/base.h ../include/xline.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c xline.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDxline.so xline.o

libIRCDstring.so: inspstring.cpp ../include/base.h ../include/inspstring.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c inspstring.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDstring.so inspstring.o

libIRCDasyncdns.so: dns.cpp ../include/base.h ../include/dns.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c dns.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDasyncdns.so dns.o

libIRCDbase.so: base.cpp ../include/base.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c base.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDbase.so base.o

libIRCDconfigreader.so: configreader.cpp unrealconfig.cpp ../include/base.h ../include/configreader.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c configreader.cpp
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c unrealconfig.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDconfigreader.so configreader.o unrealconfig.o

libIRCDcommands.so: commands.cpp ../include/base.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c commands.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDcommands.so commands.o

libIRCDdynamic.so: dynamic.cpp ../include/base.h ../include/dynamic.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c dynamic.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDdynamic.so dynamic.o

libIRCDusers.so: users.cpp ../include/base.h ../include/users.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c users.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDusers.so users.o

libIRCDmodules.so: modules.cpp ../include/base.h ../include/modules.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c modules.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDmodules.so modules.o

libIRCDwildcard.so: wildcard.cpp ../include/base.h ../include/wildcard.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c wildcard.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDwildcard.so wildcard.o

libIRCDsocket.so: socket.cpp ../include/base.h ../include/inspircd.h ../include/globals.h ../include/inspircd_config.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c socket.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDsocket.so socket.o

libIRCDinspsocket.so: inspsocket.cpp ../include/base.h ../include/inspircd.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c inspsocket.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDinspsocket.so inspsocket.o

libIRCDtimer.so: timer.cpp ../include/base.h ../include/inspircd.h ../include/globals.h ../include/inspircd_config.h ../include/timer.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c timer.cpp
	\$(CC) -pipe -Wl,--rpath -Wl,$config{LIBRARY_DIR} -shared -o libIRCDtimer.so timer.o

EOM
}
	foreach my $cmd (@cmdlist) {
		print FH <<ITEM;
cmd_$cmd.so: cmd_$cmd.cpp ../include/base.h ../include/modules.h ../include/inspircd.h ../include/channels.h ../include/users.h ../include/globals.h ../include/inspircd_config.h ../include/commands/cmd_$cmd.h
	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c cmd_$cmd.cpp
	\$(CC) -pipe $SHARED -o cmd_$cmd.so cmd_$cmd.o

ITEM
	}
	close(FH);
}

sub get_header_deps($) {
	my ($file) = @_;
	chdir "src/";
	my $cmd = "gcc -MM -I../include $file";
	my $result;
	my $diag;
	require IPC::Open3; # Give a hoot, don't pollute (the global namespace)!
	local (*GCC_IN, *GCC_OUT, *GCC_ERR);
	my $pid = IPC::Open3::open3(\*GCC_IN, \*GCC_OUT, \*GCC_ERR, $cmd);
	# GCC_OUT - has the dependencies
	# GCC_ERR - has gcc error data
	# GCC_IN - Not used!
	waitpid $pid, 0;
	{
		local $/ = undef; # Slurp.
		$result = <GCC_OUT>;
		$diag = <GCC_ERR>;
	}
	my $exit = 0;
	if (!POSIX::WIFEXITED($exit) || POSIX::WEXITSTATUS($exit) != 0) { # Didn't exit()/return from main() (killed), or exited with nonzero exit (failed).
		# GCC failed.
		die "GCC failed. Exit " . POSIX::WEXITSTATUS($exit) . ", signal " . POSIX::WTERMSIGNAL($exit) . " stderr output:\n$diag" unless wantarray;
		return ( "", $diag, POSIX::WEXITSTATUS($exit), POSIX::WTERMSIG($exit) );
	}
	chdir "..";
	return $result unless wantarray;
	return ( $result, $diag, 0, 0 );
}

sub comment_out($) {
	# Inserts a # at the beginning of each line of the parameter.
	my ($text) = @_;
	$text =~ s/^/# /mg;
	return $text;
}

# Basically a more dynamic static makefile.
sub write_new_makefile {
	local $_;

	# Makefiles should be able to test these.
	my $se = "socketengine_select";
	if (($has_kqueue) && ($config{USE_KQUEUE} eq "y")) {
		$se = "socketengine_kqueue";
	}
	elsif (($has_epoll) && ($config{USE_EPOLL} eq "y")) {
		$se = "socketengine_epoll";
	}
	elsif (($has_ports) && ($config{USE_PORTS} eq "y")) {
		$se = "socketengine_ports";
	}

	my $makefile = <<STOP
###################################################
# Copyright 2002-2007 Sakura 2.0
#
# This file is automagically generated by configure 
# Any changes made will be lost on ./configure         
###################################################

CC = 'DANGER WILL ROBINSON'

CXXFLAGS = -I../include \${FLAGS}
#CPPFILES = \$(shell /bin/ls -l modes/ | grep '\\.cpp' | sed 's/^.* //' | grep -v svn)
#RELCPPFILES = \$(shell /bin/ls -l modes/ | grep '\\.cpp' | sed 's/^.* /modes\\//' | grep -v svn)

STOP
	;

	my @exeDeps = ();

	my %archives; # List of archives to generate from objects.
	my %sharedObjs; # List of sharedobjs to generate shared objects.

	my $ldflags = ""; # Flags to pass to linker for main binary.

	my @cpprules = (); # List of rules to compile the C++ files.

	my $dd;
	opendir $dd, "src";
	my $cppfile;
	my $suffixes = qr/.(cpp|C|cc|cxx)$/o; # Allow any of the C++ suffixes.
CPPFILE:
	while (defined($cppfile = readdir($dd))) {
		my $base = fileparse($cppfile, $suffixes);
		next unless $cppfile =~ $suffixes;
		my $cflags = ""; # Flags to gcc.
		my $sharedobj = undef; # Shared Object name. We really shouldn't generate both, but why not?
		my $archive = undef;
		my $tflags = ""; # Flags to the tool for making the target (ld (actually just gcc again) for .so, ar for .a).
		my @makeDirs = ();
		# First, let's parse the C++ file itself for our tags.
		my $cppfd;
		open $cppfd, '<', "src/$cppfile";
		my $line;
		while (defined($line = <$cppfd>)) {
			next unless $line =~ m|^\s*/\*\s+\$(\w+)\s*:\s*(.*?)\s*\*/|;
			my ($key, $value) = ($1, $2);
			if ($key eq "CompilerFlags") {
				$cflags .= " " unless $cflags eq "";
				$cflags .= $value;
			} elsif ($key eq "SharedObject") {
				$sharedobj = $value;
			} elsif ($key eq "Archive") {
				$archive = $value;
			} elsif ($key eq "LinkerFlags") {
				$ldflags .= " " unless $ldflags eq "";
				$ldflags .= $value;
			} elsif ($key eq "TargetFlags") {
				$tflags .= " " unless $tflags eq "";
				$tflags .= $value;
			} elsif ($key eq "MakeDir") {
				push @makeDirs, $value;
			} elsif ($key eq "IncludeIf") {
				# value is a perl expression to test. If it returns true, we include the file.
				# If false, we exclude it. Currently the line has to be a complete expression.
				my $ret = eval "$value";
				my $str;
				if ($@) {
					my $error = $@;
					$error =~ s/\(eval \d+\) line \d+, <\$cppfd>/$cppfile/; # Make the source of the problem point at the correct point.
					$str  = "# The file $cppfile has been excluded because it has an IncludeIf test that failed in evaluation.\n";
					$str .= "# The failing expression is: $value\n";
					$str .= "# The following is the error message from perl:\n";
					$str .= comment_out($error) . "\n";
					push @cpprules, $str;
					close $cppfd;
					next CPPFILE;
				}
				if (!$ret) {
					$str  = "# The file $cppfile has been excluded by request of a false IncludeIf test.\n";
					$str .= "# The test is: $value\n";
					push @cpprules, $str;
					close $cppfd;
					next CPPFILE;
				}
			}
			# Do nothing for undefined keys.
		}
		close $cppfd;
		my $cpprule;
		{
			my ($output, $errors, $exit, $signal) = get_header_deps($cppfile);
			if (!defined($output) || $output eq "") {
				$cpprule  = "# The file $cppfile has been excluded because it did not pass preprocessing by gcc.\n";
				$cpprule .= "# GCC exited with status $exit, signal $signal\n";
				$cpprule .= "# The following is the error output from gcc:\n";
				$cpprule .= comment_out($errors) . "\n";
				push @cpprules, $cpprule;
				next CPPFILE; # Skip the rest of the rule generation.
			} else {
				if (defined($errors) && $errors ne "") {
					$cpprule  = "# The following warnings were emitted by gcc while getting dependencies:\n";
					$cpprule .= comment_out($errors) . "\n";
				} else {
					$cpprule = "";
				}
				$cpprule .= $output;
			}
		}
		for my $mk (@makeDirs) {
			$cpprule .= "\t$(MAKE) -C \"$mk\" DIRNAME=\"src/$mk\" CC=\"\$(CC)\" \$(MAKEARGS)\n";
		}
		$cpprule .= "\t\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic $cflags -o \$@ -c \$<\n";
		if (defined($sharedobj) && defined($archive)) {
			$cpprule  = "# The file $cppfile has been excluded because it has both a SharedObject and Archive directive.\n";
			$cpprule .= "# It may only have at most one of either directive - it cannot have both.\n";
		} elsif (defined($sharedobj)) {
			if (!exists($sharedObjs{$sharedobj})) {
				$sharedObjs{$sharedobj} = [ $tflags, "$base.o" ];
			} else {
				push @{$sharedObjs{$sharedobj}}, "$base.o";
				$sharedObjs{$sharedobj}->[0] .= $tflags;
			}
		} elsif (defined($archive)) {
			if (!exists($archives{$archive})) {
				$archives{$archive} = [ $tflags, "$base.o" ];
			} else {
				push @{$archives{$archive}}, "$base.o";
				$archives{$archive}->[0] .= $tflags;
			}
		} else {
			push @exeDeps, "$base.o";
		}
		push @cpprules, $cpprule;
	}
	closedir $dd;
	$makefile .= "all: sakura " . join(" ", keys(%sharedObjs)) . "\n\n";
	$makefile .= "sakura: " . join(" ", @exeDeps, keys(%archives)) . "\n";
	$makefile .= "\t\$(CC) $ldflags -o \$@ \$+\n\n";

	for my $so (keys(%sharedObjs)) {
		my @so = @{$sharedObjs{$so}};
		my $tflags = $so[0];
		my @objs = @so[1 .. $#so];
		$makefile .= "$so: " . join(" ", @objs) . "\n";
		$makefile .= "\t\$(CC) -pipe $SHARED $tflags -o \$@ \$+\n\n";
	}

	for my $ar (keys(%archives)) {
		my @ar = @{$archives{$ar}};
		my $tflags = $ar[0];
		my @objs = @ar[1 .. $#ar];
		$makefile .= "$ar: " . join(" ", @objs) . "\n";
		$makefile .= "\tar cr \$@ \$+ $tflags\n";
		$makefile .= "\tranlib \$@\n";
	}
	$makefile .= join "\n", @cpprules;
	$makefile .= "\n";

	my $mkfd;
	open $mkfd, '>', 'src/Makefile.new' or die "src/Makefile.new: $!";
	print $mkfd $makefile;
	close $mkfd;
}

